Add 1/45 and 45/54
1/45 + 45/54 is 77/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 54 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 45 × 6 = 270,
1/45 = 1 × 6/45 × 6 = 6/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
45/54 = 45 × 5/54 × 5 = 225/270 - Add the two like fractions:
6/270 + 225/270 = 6 + 225/270 = 231/270 - 231/270 simplified gives 77/90
- So, 1/45 + 45/54 = 77/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/45+45/54 1/45+90/54 1/90+45/54 3/45+45/54 5/45+45/54 7/45+45/54